/Engine/Source/Runtime/Net/Core/Classes/Net/Serialization/FastArraySerializer.h
Helper to always return a Type even if GetFastArrayItemTypePtr is not defined.
static constexpr auto FastArrayTypePtr = [] { if constexpr (TModels_V<CGetFastArrayItemTypeFuncable, FastArrayType>) { return FastArrayType::GetFastArrayItemTypePtr(); } else { return static_cast<int*>(nullptr); } }();